Dell XNK7J back side door cover for OptiPlex 3280 All-in-One desktop systems. This 21.5-inch black access panel provides cable management and thermal management by enclosing the rear connectivity area. Compatible exclusively with OptiPlex 3280 AIO form factor. Facilitates organized routing of USB, audio, power, and network connections while maintaining system airflow. Typical installation takes minutes with standard fasteners. Replacement part for systems requiring component access maintenance or cosmetic restoration. Tested and guaranteed; available via quote.
